Master Lock Zinc 22 mm (7/8 in) TSA Approved Keyed Lock, 11 mm (7/16 in) shackle, 4 pack - Walmart.com
Master Lock 647D Combination Padlock, 1, Black & TSA Set Your Own Combination Luggage Lock, TSA Approved Lock for Backpacks, Bags and Luggage, Colors May Vary, 4688D - Amazon.com
13 best TSA-approved locks for trusted luggage security | CNN Underscored
Amazon.com: Fosmon TSA Accepted Cable Luggage Locks, (4 Pack) Re-settable Easy to Read 3 Digit Combination with Alloy Body and Release Button for Travel Bag, Suit Case & Luggage - Black :